- What a CS026F Actually Is
- Who Issues It and How It Fits the ROSEN Framework
- What the Credential Measures: The 12 Knowledge Topics
- Exam Format and Remote Proctoring
- Eligibility: Hours, Evidence and Pathways
- Fees and Total Cost Mechanics
- Who Needs It and Where It Gets Used
- Five-Year Validity and Credit-Based Renewal
- Sequencing Your Preparation Around the Blueprint
- Frequently Asked Questions
- CS026F is the Foundation-level competency in In-Line Inspection Data Analysis and Reporting, issued by ROSEN (UK) Limited under QPPI.
- The exam has 40 multiple-choice questions in English, delivered through TestReach with remote proctoring.
- Topics 3, 7, 9 and 12 carry 10% each; the other eight topics carry 7.5% each.
- Total cost is $500 USD ($150 application plus $350 exam), excluding training and mentoring.
What a CS026F Actually Is
CS026F is the code for Certified in In-Line Inspection Data Analysis & Reporting, an individual competency certification for people who work with pipeline inspection data. If you have seen the acronym attached to other credentials elsewhere, set those aside: on this site, and in this article, CS026F refers only to the ROSEN-administered Foundation-level competency in ILI data analysis and reporting.
In practical terms, the credential says a person can take raw output from an in-line inspection tool run and turn it into reliable, defensible information. That means checking whether the data is complete and good enough to trust, matching it against the pipeline's known features, recognizing and classifying what the tool detected, sizing anomalies, and compiling the findings into standard reports. It also covers closing the loop by comparing what the tool reported against what crews actually found in the field.
The "F" in the code signals the Foundation level. This is not a senior sign-off credential; it validates a baseline of competency that an analyst needs before taking on independent responsibility for ILI data work. For a deeper breakdown of the naming and code conventions, see our explainers on what CS026F stands for and the meaning of CS026F.
Who Issues It and How It Fits the ROSEN Framework
The credential is administered by ROSEN (UK) Limited under the Qualification Panel for the Pipeline Industry (QPPI) Certification Board. ROSEN is a long-established name in pipeline inspection and integrity services, which explains the hands-on, data-centric flavor of the content.
Two scope boundaries are worth stating clearly, because candidates often blur them:
- CS026F is an individual Foundation-level competency. It certifies one person's skills in one discipline: ILI data analysis and reporting.
- It is not CS022F, a separate competency code in the same framework, and it is not the umbrella Pipeline Integrity Engineer certification. The blueprint you study from comes out of the Pipeline Integrity Engineer Certification Candidate Handbook 2025 (section 5.6, page 14), but the CS026F exam topics are the specific weighted list for this competency.
What the Credential Measures: The 12 Knowledge Topics
The exam blueprint consists of 12 weighted knowledge topics that total 100%. These are the handbook's own exam topics, not umbrella study categories invented by a prep provider. Four topics are weighted at 10% each; the remaining eight are weighted at 7.5% each.
| # | Knowledge Topic | Weight |
|---|---|---|
| 1 | Pipe materials (steel grades, design parameters, etc.) and pipeline components (weld types, installation, etc.) | 7.5% |
| 2 | Pipeline anomaly categories (geometrical, volumetric, planar) | 7.5% |
| 3 | ILI technologies, theoretical base of the underlying NDE principles, and their performance specification | 10% |
| 4 | Pipeline tracking and assessment of AGM marker | 7.5% |
| 5 | Correlation of different ILI runs by girth weld list comparison | 7.5% |
| 6 | Correlation of inspection pipe tally to pipeline data | 7.5% |
| 7 | Assessment of ILI data quantity (data loss) and quality (e.g., signal strength) | 10% |
| 8 | Interpretation and classification of pipeline anomalies and components, and indications of their origin (dirt, debris, objects, noise, etc.) | 7.5% |
| 9 | Sizing of anomaly dimensions (depth, length, width, etc.) | 10% |
| 10 | Anomaly interaction rules and failure pressure assessment standards | 7.5% |
| 11 | Compilation of standard ILI reports with statistical charts and tables | 7.5% |
| 12 | Cataloging field verification results and comparison to ILI results | 10% |
Reading the blueprint as a workflow
One useful way to understand the list is to notice that it mirrors the order of real analysis work. You start with the pipeline itself (topics 1 and 2), move to the tools that inspect it (topic 3), establish where the tool is along the line and align the data to known features (topics 4 to 6), judge whether the data is trustworthy (topic 7), interpret and size what was found (topics 8 and 9), assess severity (topic 10), report (topic 11) and validate against reality (topic 12).
Topic 3: ILI Technologies and NDE Principles (10%)
Expect questions that connect a tool type to the physics behind it and to what it can and cannot reliably detect.
- Why a given technology suits certain anomaly categories better than others
- What a performance specification promises, and what conditions it assumes
- The link between measurement principle and the signals an analyst sees in the data
Topic 7: Data Quantity and Quality (10%)
This topic tests whether you can judge if a run produced data worth analyzing.
- Recognizing data loss and its potential consequences for coverage
- Assessing signal strength and other quality indicators
- Deciding when a data gap undermines confidence in downstream results
Topic 9: Sizing Anomaly Dimensions (10%)
Sizing turns a detected indication into depth, length and width values that later feed severity assessment.
- How the three dimensions are defined and reported
- Why sizing accuracy matters for everything that follows in the integrity workflow
- How anomaly category (geometrical, volumetric, planar) shapes sizing considerations
Topic 12: Field Verification Results (10%)
Field data is the ground truth against which ILI performance is judged.
- Cataloging field findings in a form that can be compared to ILI calls
- Comparing reported dimensions with verified measurements
- Using the comparison to understand how a run actually performed
For a topic-by-topic walkthrough, our complete guide to all 12 CS026F content areas goes further into each one.
Exam Format and Remote Proctoring
The assessment is made up of 40 multiple-choice questions, delivered in English. It is delivered through TestReach with remote proctoring, which includes identity and environment checks, webcam and audio monitoring, and screen oversight.
The general rules prohibit reference materials, writing materials and calculators unless the examination instructions for your sitting expressly authorize them. Read your specific instructions carefully rather than assuming a calculator is or is not allowed. Because the format is multiple-choice, the questions reward precise conceptual understanding: distinguishing between similar-sounding concepts such as girth weld list comparison versus pipe tally correlation, or data quantity versus data quality.
If you want a sense of how demanding the questions are in practice, see how hard the CS026F exam is and the explainer on what you need to pass.
Eligibility: Hours, Evidence and Pathways
Foundation-level eligibility is built around documented preparation. The prerequisites include:
- 18 training hours
- 36 mentoring hours
- 100 hours of relevant experience or supervised self-learning
All of it must be supported by evidence. Expect to document what you completed, when, and under whose supervision or guidance, rather than simply attesting to the totals.
The academic and professional pathway
The pathway also requires an accepted degree or professional engineering qualification. For candidates without the degree, four years of relevant engineering experience may substitute for the degree route.
ROSEN training is not mandatory
You do not have to take ROSEN's own training. Acceptable equivalent preparation is allowed when it is properly documented. The key word is documented: equivalent coursework or structured learning only helps if you can evidence the hours and content. Our guide to CS026F eligibility and prerequisites walks through how to organize that evidence, and the CS026F training overview covers preparation options.
Key Takeaway
Start collecting evidence on day one. Logs of training hours, mentoring sessions and supervised practice are far easier to assemble as you go than to reconstruct at application time.
Fees and Total Cost Mechanics
| Item | Amount (USD) |
|---|---|
| Application fee | $150 |
| Examination fee | $350 |
| Total to sit the exam | $500 |
| Retake | $250 |
| Recertification | $350 |
The $500 total excludes any training and mentoring you purchase to meet the preparation hours. That is the biggest variable in your real cost: someone documenting equivalent preparation through their employer pays very differently from someone buying external courses. A retake is priced at $250, noticeably less than the first attempt, but it is still worth preparing to pass the first time. For a fuller breakdown, see the CS026F certification cost guide and the ROI analysis.
Who Needs It and Where It Gets Used
The credential suits professionals whose daily work involves ILI data: analysts at pipeline inspection and integrity service providers, integrity engineers on the operator side who review vendor reports, and technical staff responsible for aligning, validating and reporting inspection results. Because the blueprint spans everything from anomaly classification to field verification, it fits roles where someone must both interpret data and defend those interpretations.
Employers value this kind of certification as evidence of a consistent, assessed baseline. When several analysts touch the same dataset, a shared standard of competency in areas like anomaly interaction rules, data quality assessment and report compilation reduces variability between people. We cover role types and hiring context in our CS026F jobs overview, and compensation considerations in the salary guide.
Five-Year Validity and Credit-Based Renewal
Certification lasts five years. To renew, an individual certification holder needs 10 qualifying credits annually, which adds up to 50 over the five-year cycle, all documented against the handbook's activity-credit rules.
Sequencing Your Preparation Around the Blueprint
Because the four 10% topics (3, 7, 9 and 12) account for 40% of the exam combined, they deserve the deepest study. A sensible order follows the analysis workflow so concepts build on one another:
Pipeline foundations
- Topics 1 and 2: materials, components, and the three anomaly categories
- Build the vocabulary every later topic assumes
Tools and data trust
- Topic 3 (10%): technologies, NDE principles, performance specifications
- Topic 7 (10%): data loss and signal quality
Alignment and correlation
- Topics 4, 5 and 6: AGM markers, girth weld list comparison, pipe tally correlation
- Practice distinguishing the three correlation tasks
Interpretation, sizing and severity
- Topics 8, 9 (10%) and 10: classification, sizing, interaction rules, failure pressure standards
Reporting and validation, then review
- Topics 11 and 12 (10%): standard reports and field verification comparison
- Timed question practice across all 12 topics
Adjust the pacing to your own background; an analyst already fluent in sizing may compress week four, while someone new to NDE principles may stretch week two. Use the CS026F study guide for a fuller plan and the one-page cheat sheet for final review. When you are ready to test yourself on exam-style questions, try the CS026F practice tests, and you can compare your results against what we know in our pass rate discussion.
If you want other angles on the basics, our companion pages What Is CS026F Certification? and CS026F Exam Dates cover the definition and scheduling side in more detail.
Frequently Asked Questions
It certifies Foundation-level competency in In-Line Inspection Data Analysis and Reporting, administered by ROSEN (UK) Limited under the QPPI Certification Board. It is an individual competency, separate from CS022F and from the umbrella Pipeline Integrity Engineer certification.
There are 40 multiple-choice questions in English, delivered through TestReach with remote proctoring that includes identity and environment checks, webcam and audio monitoring, and screen oversight.
Topics 3 (ILI technologies and NDE principles), 7 (data quantity and quality), 9 (sizing of anomaly dimensions) and 12 (field verification comparison) carry 10% each. The other eight topics carry 7.5% each.
No. ROSEN training is not mandatory when acceptable equivalent preparation is documented. You still need the 18 training hours, 36 mentoring hours and 100 hours of relevant experience or supervised self-learning, with supporting evidence.
It lasts five years. Renewal requires 10 qualifying credits per year, or 50 over the cycle, documented under the handbook's activity-credit rules. These are credits, not a blanket requirement for 50 CEUs, and recertification costs $350.